package com.vincent.rsf.server.ai.tool;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.vincent.rsf.framework.exception.CoolException;
import com.vincent.rsf.server.manager.entity.Task;
import com.vincent.rsf.server.manager.service.TaskService;
import lombok.RequiredArgsConstructor;
import org.springframework.ai.tool.annotation.Tool;
import org.springframework.ai.tool.annotation.ToolParam;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;

import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

@Component
@RequiredArgsConstructor
public class RsfWmsTaskTools {

    private final TaskService taskService;

    @Tool(name = "rsf_query_task_list", description = "按任务号、状态、任务类型、源站点、目标站点等条件查询任务列表。")
    public List<Map<String, Object>> queryTaskList(
            @ToolParam(description = "任务号，可模糊查询") String taskCode,
            @ToolParam(description = "任务状态，可选") Integer taskStatus,
            @ToolParam(description = "任务类型，可选") Integer taskType,
            @ToolParam(description = "源站点，可选") String orgSite,
            @ToolParam(description = "目标站点，可选") String targSite,
            @ToolParam(description = "返回条数，默认 10，最大 50") Integer limit) {
        LambdaQueryWrapper<Task> queryWrapper = new LambdaQueryWrapper<>();
        int finalLimit = normalizeLimit(limit, 10, 50);
        if (StringUtils.hasText(taskCode)) {
            queryWrapper.like(Task::getTaskCode, taskCode);
        }
        if (taskStatus != null) {
            queryWrapper.eq(Task::getTaskStatus, taskStatus);
        }
        if (taskType != null) {
            queryWrapper.eq(Task::getTaskType, taskType);
        }
        if (StringUtils.hasText(orgSite)) {
            queryWrapper.eq(Task::getOrgSite, orgSite);
        }
        if (StringUtils.hasText(targSite)) {
            queryWrapper.eq(Task::getTargSite, targSite);
        }
        queryWrapper.orderByDesc(Task::getCreateTime).last("LIMIT " + finalLimit);
        List<Task> tasks = taskService.list(queryWrapper);
        List<Map<String, Object>> result = new ArrayList<>();
        for (Task task : tasks) {
            result.add(buildTaskSummary(task));
        }
        return result;
    }

    @Tool(name = "rsf_query_task_detail", description = "根据任务 ID 或任务号查询任务详情。")
    public Map<String, Object> queryTaskDetail(
            @ToolParam(description = "任务 ID") Long taskId,
            @ToolParam(description = "任务号") String taskCode) {
        if (taskId == null && !StringUtils.hasText(taskCode)) {
            throw new CoolException("任务 ID 和任务号至少需要提供一个");
        }
        Task task;
        if (taskId != null) {
            task = taskService.getById(taskId);
        } else {
            task = taskService.getOne(new LambdaQueryWrapper<Task>().eq(Task::getTaskCode, taskCode));
        }
        if (task == null) {
            throw new CoolException("未查询到任务");
        }
        Map<String, Object> result = buildTaskSummary(task);
        result.put("resource", task.getResource());
        result.put("exceStatus", task.getExceStatus());
        result.put("orgLoc", task.getOrgLoc());
        result.put("targLoc", task.getTargLoc());
        result.put("orgSite", task.getOrgSite());
        result.put("orgSiteLabel", task.getOrgSite$());
        result.put("targSite", task.getTargSite());
        result.put("targSiteLabel", task.getTargSite$());
        result.put("barcode", task.getBarcode());
        result.put("robotCode", task.getRobotCode());
        result.put("memo", task.getMemo());
        result.put("expCode", task.getExpCode());
        result.put("expDesc", task.getExpDesc());
        result.put("startTime", task.getStartTime$());
        result.put("endTime", task.getEndTime$());
        result.put("createTime", task.getCreateTime$());
        result.put("updateTime", task.getUpdateTime$());
        return result;
    }

    private Map<String, Object> buildTaskSummary(Task task) {
        Map<String, Object> item = new LinkedHashMap<>();
        item.put("id", task.getId());
        item.put("taskCode", task.getTaskCode());
        item.put("taskStatus", task.getTaskStatus());
        item.put("taskStatusLabel", task.getTaskStatus$());
        item.put("taskType", task.getTaskType());
        item.put("taskTypeLabel", task.getTaskType$());
        item.put("orgSite", task.getOrgSite());
        item.put("orgSiteLabel", task.getOrgSite$());
        item.put("targSite", task.getTargSite());
        item.put("targSiteLabel", task.getTargSite$());
        item.put("status", task.getStatus());
        item.put("statusLabel", task.getStatus$());
        item.put("createTime", task.getCreateTime$());
        item.put("updateTime", task.getUpdateTime$());
        return item;
    }

    private int normalizeLimit(Integer limit, int defaultValue, int maxValue) {
        if (limit == null) {
            return defaultValue;
        }
        if (limit < 1 || limit > maxValue) {
            throw new CoolException("limit 必须在 1 到 " + maxValue + " 之间");
        }
        return limit;
    }
}